Research and Reviews in Psychology.

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Euro Psychiatry 2020 The Influence of Brain Lesion on Stand-Alone Anterior Cervical Decompression and Fusion in Three Levels with Peek Cages: A Possible Satisfactory Alternative

Anterior cervical decompression and fusion (ACDF) remains the gold standard for subaxial degeneration of anterior elements. By multilevel stenosis corpectomy or instrumentation with screws and plate are supported. Their potential complications, though, should be reckoned. The use of polyetheretherketone (PEEK) cages packed with demineralized bone matrix (DBM) alone can provide good fusion rates and clinical improvement even in cases of three levels degeneration. The purpose of this paper is to present retrospectively the outcomes of 15 patients with cervical stenosis in three levels treated with cage implantation reviewing the relevant literature, too. Anterior cervical decompression and fusion (ACDF) remains the gold standard for sub axial degeneration of anterior elements [1]. In cases of multilevel stenosis more recent methods such as corpectomy [2] or instrumentation with screws and plate are supported [3]. Their complications, though, concerning failure or dislocation of material and adjacent neurovascular structures injury, as well, should be reckoned [2,4]. The use of polyetheretherketone (PEEK) cages packed with demineralized bone matrix (DBM) alone can provide good fusion rates and clinical improvement even in cases of three levels degeneration [5]. Although Class-I evidence, thereof, do not exist stand-alone cage placement could be an alternative for patients with major comorbidities. The purpose of this paper is to present a retrospectively assessed series of 15 patients with cervical stenosis treated in three levels reviewing the literature, as well. Materials and Methods 15 patients were operated in three levels from 2012 until 2015 presenting with either mild myelo/radiculopathy or severe myelopathy. Patients with traumatic, infectious or neoplasmatic stenosis were excluded. Their mean age was 58 years-old. Male individuals were 9 and female 6. Nine of the patients underwent a onestage operation, five of them a twostage and one patient were operated in three phases. By all patients the classical method, as it was described by Smith and Robinson [6] under microscope was followed. Our aim was to avoid excess distraction, resecting initially the most anterior of the superior endplate like a “cap” using a Kerrison rongue providing thus surgical plane for sufficient disc removal. Further disc removal was performed using preferably only a rongue, too, except of cases of massive osteophyte formation. The disc, posterior longitudinal ligament and osteophytes were extracted decompressing consequently the foramina; endplate cartilage was also curetted. Cages were filled with demineralized bone matrix (DBM) and their position was controlled radiographically. Platysma was then closured and afterwards the subcutaneous layer and cutis separately. Postoperatively patients wore a soft collar for ten days. References: Sampath P, Bendebba M, Davis JD, Ducker TB (2000) Outcome of patients treated for cervical myelopathy: A prospective multicentre study with independent clinical review. Spine 25: 670-676. Wang JC, Panjabi MM, Isomi T (2000) The role of bone graft force in stabilizing the multilevel anterior cervical spine plate system. Spine 25: 1649-1654. Wang JC, McDonough PW, Endow KK, Delamarter RB (2000) Increased fusion rates with cervical plating for two-level anterior cervical discectomy and fusion. Spine 25: 41-45.

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